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AISI 430 Stainless Steel vs. EN 1.4988 Stainless Steel

Both AISI 430 stainless steel and EN 1.4988 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 430 stainless steel and the bottom bar is EN 1.4988 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 24
34
Fatigue Strength, MPa 180
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 320
430
Tensile Strength: Ultimate (UTS), MPa 500
640
Tensile Strength: Yield (Proof), MPa 260
290

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
520
Maximum Temperature: Mechanical, °C 870
920
Melting Completion (Liquidus), °C 1510
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
23
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.1
6.0
Embodied Energy, MJ/kg 30
89
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 17
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
180
Resilience: Unit (Modulus of Resilience), kJ/m3 170
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0 to 0.12
0.040 to 0.1
Chromium (Cr), % 16 to 18
15.5 to 17.5
Iron (Fe), % 79.1 to 84
62.1 to 69.5
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
1.1 to 1.5
Nickel (Ni), % 0 to 0.75
12.5 to 14.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.6 to 0.85